diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 427abc9c3..8ed3a2085 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -228,6 +228,7 @@ Linux server debian_amd64_strech build:
       - code/ryzom/client/windows
       - code/ryzom/tools/scripts/linux
 #    expire_in: 2 week
+  when: manual
 
 
 Linux client debian_amd64_strech build:
@@ -294,6 +295,7 @@ Linux client debian_amd64_strech build:
     paths:
       - code/build/bin
 #    expire_in: 2 week
+  when: manual
 
 
 Linux client_static debian_amd64_strech build:
@@ -409,6 +411,7 @@ Linux client_static debian_amd64_strech build:
     paths:
       - code/build/bin
 #    expire_in: 2 week
+  when: manual
 
 
 Linux client_static_debug debian_amd64_strech build:
@@ -523,6 +526,7 @@ Linux client_static_debug debian_amd64_strech build:
     paths:
       - code/build/bin
 #    expire_in: 2 week
+  when: manual
 
 
 Linux server_static debian_amd64_strech build:
@@ -618,6 +622,7 @@ Linux server_static debian_amd64_strech build:
       - code/ryzom/client/windows
       - code/ryzom/tools/scripts/linux
 #    expire_in: 2 week
+  when: manual
 
 
 Linux server_static_debug debian_amd64_strech build:
@@ -713,6 +718,7 @@ Linux server_static_debug debian_amd64_strech build:
       - code/ryzom/client/windows
       - code/ryzom/tools/scripts/linux
 #    expire_in: 2 week
+  when: manual
 
 
 Linux server_static_debug debian_amd64_buster build:
@@ -858,6 +864,7 @@ Linux client_static debian_i386_strech build:
     paths:
       - code/build/bin
 #    expire_in: 2 week
+  when: manual
 
 
 Linux client_static_debug debian_i386_strech build:
@@ -939,6 +946,7 @@ Linux client_static_debug debian_i386_strech build:
     paths:
       - code/build/bin
 #    expire_in: 2 week
+  when: manual
 
 
 # Fedora Client
@@ -1257,6 +1265,11 @@ Linux client debian_amd64_buster build:
     - Docker
   image: amd64/debian:10
   script:
+    # Calcul le nombre de cpu désactivé (on ne laisse que 4 au maximum)
+    - disableproc=$(( $(nproc) - 4 ))
+    - if [[ $disableproc -le 0 ]] ; then disableproc=0; fi
+    - optionproc="-j$(nproc --ignore=$disableproc)"
+    - echo "disableproc:$disableproc, nb core compile:$(nproc --ignore=$disableproc) optionproc:$optionproc"
     # Prepare environment
     - DEBIAN_FRONTEND=noninteractive apt-get update
     - DEBIAN_FRONTEND=noninteractive apt-get dist-upgrade -y
@@ -1308,7 +1321,7 @@ Linux client debian_amd64_buster build:
 #    - (cd code/build ; cmake -DWITH_NEL=ON -DWITH_LUA52=ON -DWITH_RYZOM_PATCH=OFF -DWITH_RYZOM_CUSTOM_PATCH_SERVER=OFF -DWITH_NEL_TESTS=OFF -DWITH_RYZOM_CLIENT=ON -DWITH_DRIVER_OPENGL=ON -DWITH_DRIVER_OPENAL=ON -DWITH_NEL_SAMPLES=OFF -DWITH_SOUND=ON -DWITH_STATIC_CURL=ON ..)
 #    - (cd code/build; make -j khanat_client)
     - (cd code/build ; cmake -DWITH_INSTALL_LIBRARIES=OFF -DWITH_RYZOM_CLIENT=ON -DWITH_NEL=ON -DWITH_NEL_TOOLS=OFF -DWITH_TOOLS=OFF -DWITH_STUDIO=OFF -DWITH_STATIC=ON -DWITH_RYZOM_TOOLS=OFF -DWITH_LUA52=ON -DWITH_RYZOM_PATCH=ON -DWITH_RYZOM_CUSTOM_PATCH_SERVER=ON -DWITH_NEL_TESTS=OFF -DWITH_RYZOM_CLIENT=ON -DWITH_DRIVER_OPENGL=ON -DWITH_DRIVER_OPENAL=ON -DWITH_NEL_SAMPLES=OFF -DWITH_SOUND=ON -DWITH_STATIC_CURL=ON ..)
-    - (cd code/build; make -j )
+    - (cd code/build; make $optionproc )
     - (cd code/build/bin; ls -lh)
   artifacts:
     name: "khanat-client-debian_buster-$(echo $CI_BUILD_REF | head -c 7 )-$CI_PIPELINE_ID"
@@ -1326,6 +1339,11 @@ Linux client_appimage debian_amd64_buster build:
     - Docker
   image: amd64/debian:10
   script:
+    # Calcul le nombre de cpu désactivé (on ne laisse que 4 au maximum)
+    - disableproc=$(( $(nproc) - 4 ))
+    - if [[ $disableproc -le 0 ]] ; then disableproc=0; fi
+    - optionproc="-j$(nproc --ignore=$disableproc)"
+    - echo "disableproc:$disableproc, nb core compile:$(nproc --ignore=$disableproc) optionproc:$optionproc"
     # Prepare environment
     - DEBIAN_FRONTEND=noninteractive apt-get update
     - DEBIAN_FRONTEND=noninteractive apt-get dist-upgrade -y
@@ -1393,8 +1411,8 @@ Linux client_appimage debian_amd64_buster build:
     - mkdir -p code/build
     #- (cd code/build ; cmake -DCMAKE_INSTALL_PREFIX=/usr -DWITH_INSTALL_LIBRARIES=OFF -DWITH_RYZOM_CLIENT=ON -DWITH_NEL=ON -DWITH_NEL_TOOLS=OFF -DWITH_TOOLS=OFF -DWITH_STUDIO=OFF -DWITH_STATIC=ON -DWITH_RYZOM_TOOLS=OFF -DWITH_LUA52=ON -DWITH_RYZOM_PATCH=OFF -DWITH_RYZOM_CUSTOM_PATCH_SERVER=OFF -DWITH_NEL_TESTS=OFF -DWITH_RYZOM_CLIENT=ON -DWITH_DRIVER_OPENGL=ON -DWITH_DRIVER_OPENAL=ON -DWITH_NEL_SAMPLES=OFF -DWITH_SOUND=ON -DWITH_STATIC_CURL=ON ..)
     - (cd code/build ; cmake -DCMAKE_INSTALL_PREFIX=/usr -DWITH_INSTALL_LIBRARIES=OFF -DWITH_RYZOM_CLIENT=ON -DWITH_NEL=ON -DWITH_NEL_TOOLS=OFF -DWITH_TOOLS=OFF -DWITH_STUDIO=OFF -DWITH_STATIC=ON -DWITH_RYZOM_TOOLS=OFF -DWITH_LUA52=ON -DWITH_RYZOM_PATCH=ON -DWITH_RYZOM_CUSTOM_PATCH_SERVER=ON -DWITH_NEL_TESTS=OFF -DWITH_RYZOM_CLIENT=ON -DWITH_DRIVER_OPENGL=ON -DWITH_DRIVER_OPENAL=ON -DWITH_NEL_SAMPLES=OFF -DWITH_SOUND=ON -DWITH_STATIC_CURL=ON -DWITH_STATIC_DRIVERS=ON -DWITH_STATIC_EXTERNAL=ON  ..)
-    - (cd code/build; make -j )
-    - (cd code/build; make -j install DESTDIR=AppDir)
+    - (cd code/build; make $optionproc )
+    - (cd code/build; make $optionproc install DESTDIR=AppDir)
     # Generate AppImage
     - (cd code/build; rm -rf AppDir/usr/bin)
     - (cd code/build; mv AppDir/usr/games AppDir/usr/bin)